Incandescent lamp.



Patented-Dot. 2|.v |902.

L. S. PFOUTS.

INCANDESGENT LAMP.

(Application led Feb. 21, 1902.)

2 Sheet's- Sheet l.

(No Model.)

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co. woxauwc.. wAsHmaTN n. c.

No. 7|I.523. Patented Oct'. 2l, |902.

L. s. PFouTs.

INCANDESCENT LAMP.

(Application med Feb, 21 1902.)

' (N0 Mdel.) 2 Sheets-Sheet 2.

' H Ill THE Norms Patins co rmoaumo.. WASHINGTON. D c.

UNITED STATES- PATENT OFFICE.

LEROY S. PFOUTS, OF CANTON, OHIO.

INCANDSCENTLAMP.

SPECIFICATION forming part of Letters Patent No. 711,523, dated October21, 1902. Application led February 21, 1902. Serial No. 95,055. (Nomodel.)

To @ZZ whom it may concern,.-

Be it known that I, LEROY S. ProUTs, a citizen of the UnitedStates,residing at Canton, in the county of Stark and State of Ohio, haveinvented-certain new and useful Improve-A of the sliding shield. Fig. 3is a side eleva-A tion of the vaporizer, showing the locationof thedifferent parts. Fig. 4 is a side view look: ing at the left hand ofFig. 3. Fig. 5 is a horizontal section of thevaporizer. Fig. 6 is a topview ofthe subburner, showing the ganze in place, also showing themixing-tube prop' erly located for said subburner.

The present invention has relation to incandescent lamps designed forwhat is known as gasolene or naphtha lamps; and it consists in thedifferent parts and combination of parts hereinafter described, andparticularly pointed out in theclaims.

Similar numerals of reference indicate cor-k responding parts in all thefigures of the drawings.

In the accompanying drawings, 1 represents the base or standard',1whichin this instance consists of legs or supports which are united at theirupperends by means of they band or ring 2; but it will be understoodthat any form of base may be employed without departing fromthe natureofthe invention, as the only object in this instance is to provide asupport or base for the lamp proper.

To the ring orvband 2 is securely attached in any convenient andwell-known manner the tube 3, which tube constitutes the stem.

To the top or upper end of the tube 3 is,

attached the fontl by means of the reinforcing-flange, 5. Through thefont 4 extends Vthe tubeG, which tube is a continuance of the tube 3,except that it is made in separate pieces'or parts; but when the font isplaced in proper 'position a continuous tube is formed extending fromthe ring 2 to the top of the font.

To the top of the font is attached the collar?, which collar forms asupport for the gallery 8, which gallery is ofV the ordinaryconstruction and is of course formed so as to properly hold the chimneyand the mantlerod 9.

From the bottom or lower portion of the font 4 leads the feed-pipe 10,which feedpipe is extended downward through the tube 3 and is connectedat its bottom or lower endV to the curved filter-pipe 11, whichlter-pipe is preferably located within the base of the lamp proper, asillustrated in the drawings. Theobject of the filter-pipe is for the`purpose of steadying the iiow of fuel, said filterpipe being filledwith any suitable material, such as emery or wicking, and by curving thepipe a grcatervlength can be. provided without giving an unpleasingappearance to the lamp, this being a very desirable object, inasmuchasit requires -considerable length to properly filter and steady theiiow offuel.

- The filter-pipevll extendsY from the feedpipe 10 to thecoupling-head12, from which coupling-head extends the lateralvarms 13 and 14, whichlateral arms are preferably formed integral with` the couplinghead. Thelateral arm 13is provided with the regulating-,needle 15 and the arm 14:with thelregulating-needle 16, said needles being of the ordinaryconstruction used in regulating the l.provided with the enlarged portion18, which proVides'a-nieans for properly attaching the vaporizing-tube19,which vaporizing-tube extends over the subburner 2O and thencedownward andinto the mixing-tube 2l of the subburner 20. t

From the lateral arm 14 extends the vaporizing-pipe 22, whichvaporizing-pipe consists of two'members,the member22 extending outwardand the member 23 ,extending inward and upward and communicates with themain gas-tip 24., which main gas-tip is located at the bottom or lowerend of the mixing-tube 25, which mixing-tube extends upward through thetubes 3 and 6, and to the top or upper end IOO of which is attached thegallery S, which gallery is suspended by the collar 7.

The top or upper end of the mixing-tube 25 is provided with the usualburner-head 2G, which is the main burner and is provided with the usualincandescent mantle.

For the purpose of providing a support for the mixing-tube 25 the plateor disk 26 is provided, which plate or disk is located upon theupward-extending portion of the vaporizingpipe 23, the gas-tip 24 comingabove said plate or disk; but it will be understood that other devicesmay be employed for supporting the mixing-tube without departing fromthe nature of my invention.

For the purpose of giving the lamp a 1inished and neat appearance theshield 27 is provided, which shield may be of any neat form, referencebeing had to properly covering the standards or legs 1, and for thepurpose of providing proper ventilation apertures, such as 28, areprovided, and of course slots, such as 29, are provided in the bottom orlower portion of the shield, so as to allow the regulating-needles toextend outward and beyond the shield when the shield is brought intoproper position.

For the purpose of providing a means for reaching the different partslocated within the base of the lamp proper the shield is slidablyconnected to the tube or stem 3 and may be moved upward, as illustratedin dotted lines, Fig. 1.

For the purpose of providing a proper support for the subburner 2O thebar 30 is provided, the top or upper end of which is attached to theenlarged portion. 18 or its equivalents and its bottom or lower endattached to the subburner-body 20, the mixing-tube 21 being supported bymeans of the vaporizingtube 19 and the burner20. For the purpose ofprotecting the ame emanating from the subburner 2O and at the same timeconcentrating the heat to produce quicker and better vaporization theshield 31 is provided, which shield is supported in proper position by gmeans of the arm 32 and the set-screw 33.

It will be understood that the shield 3l is to be provided with suitableslots 34, which slots are for the purpose of allowing the shield to beplaced in proper position and provide room for the variousvaporizing-pipes.

For the purpose of receiving any refuse substance, such as partly-burnedmatches, the tray 35 is provided, which tray is connected to thestandards 1 or their equivalents and is located below the subburner 2Oand the various vaporizing-pipes.

The operation of my lamp is as follows: When it is desired to start thelamp, the vaporizing-tube 19 is primarily heated, after which theregulating-needle 15 is opened, so as to allow fuel to find its waythrough the feed-pipe 10 and into the vaporizing-tube 19, when it isconverted into gas, which gas is conveyed into the mixing-tube 19 andout at the subburner 20, where it is consumed. As the subburner 2O islocated directly under the vaporizing-tube 19, vaporization will becontinued or produced by the flame of the subburner, at the same timeheating the vaporizing-tubes 22 and 23. The regulating-needle 16 isth'en opened and gas finds its way through the vaporizing-tubes 22 and23 and is conveyed to the vapor-jet nozzle 24 and into the mixing-tube25 and thence upward through the tubes 3 and 6 to the burner-head 26,where it is consumed in the usual manner.

For the purpose of regulating the supply of gas to the main burner theregulating-needle 36 is provided, which needle is located substantiallyas shown in Fig. 4, and said needle is provided with the pointed tip 37,which is also used for the purpose of cleaning the aperture' of thegas-tip in case it should be clogged from any cause.

The lamp above described is intended for use in connection with amantle, and it necessarily follows that no smoke either from the mainburner or the subburner can be permitted, inasmuch as it would destroythe utility of the lamp.

So far as known to me I am the first to use in connection with asubburner a gauze for separating the burning vapor and to produce a blueflame without any smoke, or, in other words, producing perfectcombustion. The flame produced in this way cannot be made to smoke byany means known to me.

Having fully .described my invention, what I claim as new, and desire tosecure by Letters Patent, is-

1. The combination of a font, a base, a tube-support extending upwardfrom thebase and through the font and. supporting the latter, afeed-pipe leading downwardly from the font through the tube-support andterminating in a horizontal curved filter-tube, a coupling-head attachedto said filter-tube and provided with extensions each of said extensionshaving a vaporizing-duct therethrough, and each of said ductsterminating in a vapor-jet nozzle, a main-burner tube extending upwardthrough said tube-support and carrying a burner-gauze at its upper end,the lower end of said tube being arranged to receive the vapor from oneof said jet-nozzles, and a subburner-tube arranged to receive the va-IDO IIO

por from the other of said jet-nozzles, said subburner-tube beingprovided with a gauze cap forming a burner-head and arranged to heatsaid extensions, substantially as and for the purpose specied.

2. A combination of a font, a base, a tubesupport extending upward fromthe base and through the font and supporting the latter, a feed-pipeleading downwardly from the font and terminating in a iilter-tube, acouplinghead attached to said filter-tube and provided with extensions"each of said extensions having a vaporizing-duct therethrough, and eachof said ducts terminating in a va- IZO por-jet nozzle, a main-burnertube extendtensions, substantially as and for the puring upwardlythrough said tube support pose specified.

and carrying a burner head at its upper In testimony that I claim theabove I have end, the lower endA of said tube being'arhereuntosubscribed my name in the presence 5 ranged to receive the vapor fromone of said of two witnesses.

jet-nozzles and a subburner-tube arranded to receive the vapor from theother of said LEROY S' PFOUTS' jet-nozzles, said subburner-tube beingpro- Witnesses:

vided with a perforated top forming a J. A. JEFFERS,

,lo burner-head, and arranged to heat said eX- l F. W. BOND.

